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