One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,6,10,13)(4,7)(5,8)(9,12,15,16)(11,14)(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)(1,3,5,10)(2,6)(4,9,11,15)(7,12)(8,13)(14,16)(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)(1,4,5,11)(2,7,8,14)(3,9,10,15)(6,12,13,16)(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)(3,10)(6,13)(9,15)(12,16)(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.