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