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