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