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