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