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