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