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