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