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