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