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