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