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)(20,25)(21,35)(22,27)(23,28)(26,30)(29,38)(31,39)(32,43)(33,41)(34,42)(36,44)(37,40)(45,47)(46,48)(2,6)(7,8)(11,16)(13,15)(17,19,23,31)(18,24,28,39)(20,29,33,45)(21,36,30,22)(25,38,41,47)(26,27,35,44)(32,34,37,46)(40,48,43,42)(1,3,5,4)(2,7,6,8)(9,11,12,16)(10,13,14,15)(17,20)(18,25)(19,29)(21,37)(22,34)(23,33)(24,38)(26,43)(27,42)(28,41)(30,32)(31,45)(35,40)(36,46)(39,47)(44,48)(1,4,5,3)(2,8,6,7)(10,14)(13,15)(17,21,22,19,23,30,36,31)(18,26,27,39,28,35,44,24)(20,32,34,45,33,37,46,29)(25,40,42,38,41,43,48,47)(2,6)(7,8)(20,33)(25,41)(29,45)(32,37)(34,46)(38,47)(40,43)(42,48) 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.