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