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