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