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