One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,10)(4,14)(5,8)(6,15)(7,9)(11,16)(12,13)(17,18)(19,20)(21,24)(22,25)(23,26)(27,28)(29,30)(31,32)(33,34)(35,40)(36,37)(38,41)(39,42)(43,46)(44,45)(47,48) involution — undirected(1,3,7,5)(2,8,9,10)(4,12,15,11)(6,13,14,16)(17,19)(18,20)(21,27)(22,23)(24,28)(25,26)(29,32)(30,31)(33,34,39,42)(35,40,37,36)(38,41,47,48)(43,46,45,44)(1,4)(2,6)(3,11)(5,12)(7,15)(8,16)(9,14)(10,13)(17,18)(19,26)(20,23)(21,24)(22,25)(27,32)(28,31)(29,30)(33,35,39,37)(34,40,42,36)(38,43,47,45)(41,46,48,44)(1,4)(2,6)(3,12)(5,11)(7,15)(8,13)(9,14)(10,16)(17,18)(19,20)(21,29)(22,25)(23,26)(24,30)(27,32)(28,31)(33,36)(34,35)(37,42)(38,46)(39,40)(41,45)(43,48)(44,47) involution — undirected(1,5,7,3)(2,8,9,10)(4,12,15,11)(6,16,14,13)(17,20)(18,23)(19,25)(21,28)(22,26)(24,31)(27,29)(30,32)(33,37,39,35)(34,40,42,36)(38,45,47,43)(41,46,48,44)(1,6)(2,4)(3,13)(5,16)(7,14)(8,12)(9,15)(10,11)(17,21)(18,24)(19,27)(20,28)(22,30)(23,31)(25,29)(26,32)(33,38)(34,41)(35,43)(36,44)(37,45)(39,47)(40,46)(42,48) 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.