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