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