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