One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,5)(4,11)(6,9)(7,8)(10,13)(12,16)(14,15)(17,18)(19,20)(21,24)(22,25)(23,26)(27,28)(29,30)(31,32)(33,34)(35,44)(36,42)(37,48)(38,46)(39,43)(40,47)(41,45) involution — undirected(2,8)(5,11)(9,15)(13,16)(17,19)(18,20)(21,27)(22,23)(24,28)(25,26)(29,32)(30,31)(33,35)(34,38)(36,37)(39,46)(40,48)(41,42)(43,44)(45,47) involution — undirected(1,3,7,4)(2,5,8,11)(6,10,14,12)(9,13,15,16)(17,18)(19,26)(20,23)(21,24)(22,25)(27,32)(28,31)(29,30)(33,36)(34,40)(35,45)(37,46)(38,41)(39,47)(42,43)(44,48)(1,4,7,3)(2,5,8,11)(6,10,14,12)(9,16,15,13)(17,18)(19,20)(21,29)(22,25)(23,26)(24,30)(27,32)(28,31)(33,37,39,45)(34,41,43,48)(35,36,46,47)(38,42,44,40)(1,5)(2,4)(3,8)(6,13)(7,11)(9,12)(10,15)(14,16)(17,20)(18,23)(19,25)(21,28)(22,26)(24,31)(27,29)(30,32)(33,36)(34,42)(35,37)(38,41)(39,47)(40,43)(44,48)(45,46) involution — undirected(1,6)(2,9)(3,10)(4,12)(5,13)(7,14)(8,15)(11,16)(17,21)(18,24)(19,27)(20,28)(22,30)(23,31)(25,29)(26,32)(33,38)(34,35)(36,41)(37,42)(39,44)(40,45)(43,46)(47,48) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.