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