One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,10,6,11,4,8)(3,9,13,7,14,15,12,16)(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)(1,3,5,13,6,14,4,12)(2,7,10,15,11,16,8,9)(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)(1,4,6,5)(2,8,11,10)(3,12,14,13)(7,9,16,15)(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)(1,3,6,14)(2,9,11,15)(4,12,5,13)(7,8,16,10)(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.