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