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)(19,25)(20,26)(21,24)(22,23)(27,31)(28,32)(29,30)(33,34,38,42)(35,39,40,36)(37,41,46,48)(43,47,45,44)(2,5)(6,8)(10,13)(14,16)(18,23)(19,26)(21,29)(28,31)(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)(18,20)(21,27)(22,26)(23,25)(24,28)(29,32)(30,31)(33,35)(34,39)(36,42)(37,43)(38,40)(41,47)(44,48)(45,46)(1,2,4,5)(3,6,7,8)(17,20)(18,19)(21,28)(22,25)(23,26)(24,27)(29,31)(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)(17,21,22,29)(18,24,23,30)(19,27,26,32)(20,28,25,31)(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.