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