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