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