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