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