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)(19,27)(20,24)(21,34,35,25)(22,26)(23,30,36,43)(28,41)(29,42)(31,45)(32,47,48,39)(33,40)(37,44,38,46)(1,3)(2,6)(4,10)(5,9)(7,12)(8,13)(11,15)(14,16)(17,19,22,28)(18,23,26,36)(20,31,33,29)(21,30,35,43)(24,38,40,37)(25,27,34,41)(32,46,48,44)(39,45,47,42)(3,9)(6,12)(10,15)(13,16)(19,28)(23,36)(27,41)(29,31)(30,43)(37,38)(42,45)(44,46) involution — undirected(2,7)(6,12)(8,14)(13,16)(17,20,22,33)(18,24,26,40)(19,29,28,31)(21,32,35,48)(23,37,36,38)(25,39,34,47)(27,42,41,45)(30,44,43,46)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.