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