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