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