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