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)(11,13)(12,14)(15,16)(17,18,22,27)(19,29,32,24)(20,25,23,28)(21,26,35,41)(30,43,45,37)(31,39,33,38)(34,40,36,42)(44,48,46,47)(2,6)(7,8)(9,11,12,15)(10,13,14,16)(17,19)(18,24)(20,33)(21,30)(22,32)(23,31)(25,39)(26,37)(27,29)(28,38)(34,44)(35,45)(36,46)(40,47)(41,43)(42,48)(1,3,5,4)(2,7,6,8)(10,14)(13,16)(17,20)(18,25)(22,23)(27,28)(30,44)(31,33)(34,36)(37,47)(38,39)(40,42)(43,48)(45,46)(1,4,5,3)(2,8,6,7)(17,21,22,35)(18,26,27,41)(19,30,32,45)(20,34,23,36)(24,37,29,43)(25,40,28,42)(31,46,33,44)(38,48,39,47)(19,31)(20,23)(21,34)(24,38)(25,28)(26,40)(29,39)(30,45)(32,33)(35,36)(37,43)(41,42) 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.