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