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