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