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