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