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