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