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