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