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