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