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