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