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