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