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