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