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