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