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