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)(19,27)(20,24)(21,34,36,25)(22,26)(23,30,37,35)(28,42)(29,43)(31,45)(32,47,48,40)(33,41)(38,44,39,46)(1,3)(2,7)(4,13)(5,11)(6,12)(8,16)(9,15)(10,14)(17,19)(18,23,26,37)(20,31)(21,35)(22,28)(24,39,41,38)(25,42,34,27)(29,33)(30,36)(32,44)(40,43,47,45)(46,48)(1,4,6,5)(2,8,9,10)(3,11,12,13)(7,14,15,16)(19,28)(23,37)(27,42)(29,31)(30,35)(38,39)(43,45)(44,46)(2,9)(7,15)(8,10)(14,16)(17,20,22,33)(18,24,26,41)(19,29,28,31)(21,32,36,48)(23,38,37,39)(25,40,34,47)(27,43,42,45)(30,44,35,46)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.