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