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