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