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