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