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