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