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