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