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