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