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