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