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