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