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