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