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