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