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