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