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