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