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