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