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