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