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