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