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