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