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