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