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