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