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