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