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