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