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