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