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